diff --git a/filter/pdf.cxx b/filter/pdf.cxx
index e1760b7..6737a04 100644
--- a/filter/pdf.cxx
+++ b/filter/pdf.cxx
@@ -124,68 +124,66 @@ extern "C" void pdf_prepend_stream(pdf_t *doc,
 {
     XRef *xref = doc->getXRef();
     Ref *pageref = doc->getCatalog()->getPageRef(page);
-    Object dict, lenobj, stream, streamrefobj;
+    Object dict, stream;
     Object pageobj, contents;
     Object array;
     Ref r;
 
-    xref->fetch(pageref->num, pageref->gen, &pageobj);
-    if (!pageobj.isDict() || !pageobj.dictLookupNF("Contents", &contents)) {
+    pageobj = xref->fetch(pageref->num, pageref->gen);
+    if (!pageobj.isDict()) {
+        fprintf(stderr, "Error: malformed pdf\n");
+        return;
+    }
+
+    contents = pageobj.dictLookupNF("Contents");
+    if (contents.isNull()) {
         fprintf(stderr, "Error: malformed pdf\n");
         return;
     }
 
     if (contents.isRef())
-        xref->fetch(contents.getRefNum(), contents.getRefGen(), &contents);
+        contents = xref->fetch(contents.getRefNum(), contents.getRefGen());
 
-    lenobj.initInt(len);
-    dict.initDict(xref);
-    dict.dictSet("Length", &lenobj);
-    stream.initStream(new MemStream(buf, 0, len, &dict));
+    dict = Object(new Dict(xref));
+    dict.dictSet("Length", Object(int(len)));
+    MemStream *mem_stream = new MemStream(buf, 0, len, std::move(dict));
+    stream = Object(static_cast<Stream *>(mem_stream));
 
     r = xref->addIndirectObject(&stream);
-    streamrefobj.initRef(r.num, r.gen);
 
-    array.initArray(xref);
-    array.arrayAdd(&streamrefobj);
+    array = Object(new Array(xref));
+    array.arrayAdd(Object(r.num, r.gen));
 
     if (contents.isStream()) {
-        pageobj.dictLookupNF("Contents", &contents); // streams must be indirect, i.e. not fetch()-ed
-        array.arrayAdd(&contents);
+        contents = pageobj.dictLookupNF("Contents"); // streams must be indirect, i.e. not fetch()-ed
+        array.arrayAdd(std::move(contents));
     }
     else if (contents.isArray()) {
         int i, len = contents.arrayGetLength();
-        Object obj;
         for (i = 0; i < len; i++) {
-            contents.arrayGetNF(i, &obj);
-            array.arrayAdd(&obj);
+            array.arrayAdd(contents.arrayGetNF(i));
         }
     }
     else
         fprintf(stderr, "Error: malformed pdf\n");
 
-    pageobj.dictSet("Contents", &array);
+    pageobj.dictSet("Contents", std::move(array));
 
     xref->setModifiedObject(&pageobj, *pageref);
-    pageobj.free();
 }
 
 
-static Object * name_object(const char *s)
+static Object name_object(const char *s)
 {
-    Object *o = new Object();
-    o->initName((char *)s);
-    return o;
+    return Object(objName, s);
 }
 
 /*
  * Create new PDF integer type object.
  */
-static Object * int_object(int i)
+static Object int_object(int i)
 {
-    Object *o = new Object();
-    o->initInt(i);
-    return o;
+    return Object(i);
 }
 
 static Object * get_resource_dict(XRef *xref,
@@ -196,21 +194,21 @@ static Object * get_resource_dict(XRef *xref,
     Object res;
 
     /* TODO resource dict can also be inherited */
-    if (!pagedict->lookupNF("Resources", &res))
+    res = pagedict->lookupNF("Resources");
+    if (res.isNull())
         return NULL;
 
     if (res.isRef()) {
         *resref = res.getRef();
-        xref->fetch(resref->num, resref->gen, resdict);
+        *resdict = xref->fetch(resref->num, resref->gen);
     }
     else if (res.isDict()) {
-        res.copy(resdict);
+        *resdict = res.copy();
         resref->num = 0;
     }
     else
         resdict = NULL;
 
-    res.free();
     return resdict;
 }
 
@@ -226,7 +224,7 @@ extern "C" void pdf_add_type1_font(pdf_t *doc,
     Object resdict;
     Ref resref;
 
-    xref->fetch(pageref->num, pageref->gen, &pageobj);
+    pageobj = xref->fetch(pageref->num, pageref->gen);
     if (!pageobj.isDict()) {
         fprintf(stderr, "Error: malformed pdf\n");
         return;
@@ -234,21 +232,20 @@ extern "C" void pdf_add_type1_font(pdf_t *doc,
 
     if (!get_resource_dict(xref, pageobj.getDict(), &resdict, &resref)) {
         fprintf(stderr, "Error: malformed pdf\n");
-        pageobj.free();
         return;
     }
 
-    font.initDict(xref);
+    font = Object(new Dict(xref));
     font.dictSet("Type", name_object("Font"));
     font.dictSet("Subtype", name_object("Type1"));
     font.dictSet("BaseFont", name_object(name));
     xref->addIndirectObject(&font);
 
-    resdict.dictLookupNF("Font", &fonts);
+    fonts = resdict.dictLookupNF("Font");
     if (fonts.isNull()) {
         /* Create new font dic obj in page's resources */
-        fonts.initDict(xref);
-        resdict.dictSet("Font", &fonts);
+        fonts = Object(new Dict(xref));
+        resdict.dictSet("Font", std::move(fonts));
     }
 
     Object *fonts_dic;
@@ -259,7 +256,7 @@ extern "C" void pdf_add_type1_font(pdf_t *doc,
         fonts_dic = &fonts;
     } else if ( fonts.isRef() ) {
         /* "Font" resource is indirect reference object */
-        xref->fetch(fonts.getRefNum(), fonts.getRefGen(), &dereferenced_obj);
+        dereferenced_obj = xref->fetch(fonts.getRefNum(), fonts.getRefGen());
         fonts_dic = &dereferenced_obj;
     }
 
@@ -269,7 +266,7 @@ extern "C" void pdf_add_type1_font(pdf_t *doc,
     }
 
     /* Add new entry to "Font" resource */
-    fonts_dic->dictSet("bannertopdf-font", &font);
+    fonts_dic->dictSet("bannertopdf-font", std::move(font));
 
     /* Notify poppler about changes */
     if ( fonts.isRef() ) {
@@ -280,8 +277,6 @@ extern "C" void pdf_add_type1_font(pdf_t *doc,
         xref->setModifiedObject(&pageobj, *pageref);
     else
         xref->setModifiedObject(&resdict, resref);
-
-    pageobj.free();
 }
 
 
@@ -293,23 +288,18 @@ static bool dict_lookup_rect(Object *dict,
     Array *array;
     int i;
 
-    if (!dict->dictLookup(key, &o))
+    o = dict->dictLookup(key);
+    if (!o.isArray())
         return false;
 
-    if (!o.isArray()) {
-        o.free();
-        return false;
-    }
-
     array = o.getArray();
     for (i = 0; i < 4; i++) {
         Object el;
-        if (array->get(i, &el) && el.isNum())
+        el = array->get(i);
+        if (el.isNum())
             rect[i] = el.getNum();
-        el.free();
     }
 
-    o.free();
     return i == 4;
 }
 
@@ -322,15 +312,13 @@ static void dict_set_rect(XRef *xref,
     Object array;
     int i;
 
-    array.initArray(xref);
+    array = Object(new Array(xref));
 
     for (i = 0; i < 4; i++) {
-        Object el;
-        el.initReal(rect[i]);
-        array.arrayAdd(&el);
+        array.arrayAdd(Object(double(rect[i])));
     }
 
-    dict->dictSet(key, &array);
+    dict->dictSet(key, std::move(array));
 }
 
 
@@ -361,7 +349,7 @@ extern "C" void pdf_resize_page (pdf_t *doc,
     float mediabox[4] = { 0.0, 0.0, width, length };
     float old_mediabox[4];
 
-    xref->fetch(pageref->num, pageref->gen, &pageobj);
+    pageobj = xref->fetch(pageref->num, pageref->gen);
     if (!pageobj.isDict()) {
         fprintf(stderr, "Error: malformed pdf\n");
         return;
@@ -381,7 +369,6 @@ extern "C" void pdf_resize_page (pdf_t *doc,
     dict_set_rect (xref, &pageobj, "BleedBox", mediabox);
 
     xref->setModifiedObject(&pageobj, *pageref);
-    pageobj.free();
 }
 
 
@@ -391,24 +378,24 @@ extern "C" void pdf_duplicate_page (pdf_t *doc,
 {
     XRef *xref = doc->getXRef();
     Ref *pageref = doc->getCatalog()->getPageRef(pagenr);
-    Object page, parentref, parent, kids, ref, countobj;
+    Object page, parentref, parent, kids;
     int i;
 
-    xref->fetch(pageref->num, pageref->gen, &page);
+    page = xref->fetch(pageref->num, pageref->gen);
     if (!page.isDict("Page")) {
         fprintf(stderr, "Error: malformed pdf (invalid Page object)\n");
         return;
     }
 
-    page.dictLookupNF("Parent", &parentref);
-    parentref.fetch(xref, &parent);
+    parentref = page.dictLookupNF("Parent");
+    parent = parentref.fetch(xref);
     if (!parent.isDict("Pages")) {
         fprintf(stderr, "Error: malformed pdf (Page.Parent must point to a "
                         "Pages object)\n");
         return;
     }
 
-    parent.dictLookup("Kids", &kids);
+    kids = parent.dictLookup("Kids");
     if (!kids.isArray()) {
         fprintf(stderr, "Error: malformed pdf (Pages.Kids must be an array)\n");
         return;
@@ -420,14 +407,10 @@ extern "C" void pdf_duplicate_page (pdf_t *doc,
     // the pages tree (not supported by major pdf implementations).
     for (i = 1; i < count; i++) {
         Ref r = xref->addIndirectObject(&page);
-        ref.initRef(r.num, r.gen);
-        kids.arrayAdd(&ref);
-        ref.free();
+        kids.arrayAdd(Object(r.num, r.gen));
     }
 
-    countobj.initInt(count);
-    parent.dictSet("Count", &countobj);
-    countobj.free();
+    parent.dictSet("Count", Object(count));
 
     xref->setModifiedObject(&parent, parentref.getRef());
 }
@@ -521,9 +504,8 @@ extern "C" int pdf_fill_form(pdf_t *doc, opt_t *opt)
         fprintf(stderr, "Can't get page from PDF tamplate file.\n");
         return 0;
     }
-    Object pageobj;
     Ref pageref = page->getRef();
-    xref->fetch(pageref.num, pageref.gen, &pageobj);
+    Object pageobj = xref->fetch(pageref.num, pageref.gen);
 
     const char *font_size = lookup_opt(opt, "banner-font-size");
     if ( ! font_size ) {
@@ -613,9 +595,7 @@ extern "C" int pdf_fill_form(pdf_t *doc, opt_t *opt)
         appearance->append(" Tf");
 
         /* Modify field's appearance */
-        Object appearance_obj;
-        appearance_obj.initString(appearance);
-        field_obj->getDict()->set("DA", &appearance_obj);
+        field_obj->getDict()->set("DA", Object(appearance));
 
         /*
          * Create /AP - entry stuff.
@@ -652,8 +632,7 @@ extern "C" int pdf_fill_form(pdf_t *doc, opt_t *opt)
         appearance_stream->append("ET\n");
         appearance_stream->append("EMC\n");
 
-        Object appearance_stream_dic;
-        appearance_stream_dic.initDict(xref);
+        Object appearance_stream_dic = Object(new Dict(xref));
 
         /*
          * Appearance stream dic.
@@ -663,48 +642,35 @@ extern "C" int pdf_fill_form(pdf_t *doc, opt_t *opt)
         appearance_stream_dic.dictSet("Type", name_object("XObject"));
         appearance_stream_dic.dictSet("Subtype", name_object("Form"));
         appearance_stream_dic.dictSet("FormType", int_object(1));
-        Object obj_ref_x;
-        obj_ref_x.initRef(resref.num, resref.gen);
-        appearance_stream_dic.dictSet("Resources", &obj_ref_x);
+        appearance_stream_dic.dictSet("Resources", Object(resref.num, resref.gen));
 
         /* BBox array: TODO. currently out of the head. */
-        Object array;
-        array.initArray(xref);
-        Object el;
-        el.initReal(0);
-        array.arrayAdd(&el);
-        el.initReal(0);
-        array.arrayAdd(&el);
-        el.initReal(237);
-        array.arrayAdd(&el);
-        el.initReal(25);
-        array.arrayAdd(&el);
-        appearance_stream_dic.dictSet("BBox", &array);
+        Object array = Object(new Array(xref));
+        array.arrayAdd(Object(double(0)));
+        array.arrayAdd(Object(double(0)));
+        array.arrayAdd(Object(double(237)));
+        array.arrayAdd(Object(double(25)));
+        appearance_stream_dic.dictSet("BBox", std::move(array));
         appearance_stream_dic.dictSet("Length", int_object(appearance_stream->getLength()));
 
         MemStream *mem_stream = new MemStream(appearance_stream->getCString(),
-                0, appearance_stream->getLength(), &appearance_stream_dic);
+                0, appearance_stream->getLength(), std::move(appearance_stream_dic));
 
         /* Make obj stream */
-        Object stream;
-        stream.initStream(mem_stream);
+        Object stream = Object(static_cast<Stream *>(mem_stream));
 
         Ref r;
         r = xref->addIndirectObject(&stream);
 
-        /* Update Xref table */
-        Object obj_ref;
-        obj_ref.initRef(r.num, r.gen);
-
         /* 
          * Fill Annotation's appearance streams dic /AP
          * See: 8.4.4 Appearance Streams
          */
-        Object appearance_streams_dic;
-        appearance_streams_dic.initDict(xref);
-        appearance_streams_dic.dictSet("N", &obj_ref);
+        Object appearance_streams_dic = Object(new Dict(xref));
+        /* Update Xref table */
+        appearance_streams_dic.dictSet("N", Object(r.num, r.gen));
 
-        field_obj->getDict()->set("AP", &appearance_streams_dic);
+        field_obj->getDict()->set("AP", std::move(appearance_streams_dic));
 
         /* Notify poppler about changes */
         xref->setModifiedObject(field_obj, field_ref);
@@ -721,24 +687,19 @@ extern "C" int pdf_fill_form(pdf_t *doc, opt_t *opt)
      * OpenOffice - by default sets it to 'true'.
      */
     Object *obj_form = catalog->getAcroForm();
-    Object obj1;
-    obj1.initBool(gFalse);
-    obj_form->dictSet("NeedAppearances", &obj1);
+    obj_form->dictSet("NeedAppearances", Object(gFalse));
     /* Add AccroForm as indirect obj */
     Ref ref_form = xref->addIndirectObject(obj_form);
 
     /*
      * So update Catalog object.
      */
-    Object* catObj = new Object();
-    catObj = xref->getCatalog(catObj);
+    Object catObj = xref->getCatalog();
     Ref catRef;
     catRef.gen = xref->getRootGen();
     catRef.num = xref->getRootNum();
-    Object obj2;
-    obj2.initRef(ref_form.num, ref_form.gen);
-    catObj->dictSet("AcroForm", &obj2);
-    xref->setModifiedObject(catObj, catRef);
+    catObj.dictSet("AcroForm", Object(ref_form.num, ref_form.gen));
+    xref->setModifiedObject(&catObj, catRef);
 
     /* Success */
     return 1;
@@ -779,8 +740,7 @@ static int pdf_embed_font(pdf_t *doc,
     XRef *xref = doc->getXRef();
 
     /* Font dictionary object for embeded font */
-    Object f_dic;
-    f_dic.initDict(xref);
+    Object f_dic = Object(new Dict(xref));
     f_dic.dictSet("Type", name_object("Font"));
 
     /* Stream lenght */
@@ -799,11 +759,10 @@ static int pdf_embed_font(pdf_t *doc,
 
     /* Create memory stream font. Add it to font dic. */
     MemStream *mem_stream = new MemStream(font_stream->getCString(),
-            0, outlen, &f_dic);
+            0, outlen, std::move(f_dic));
 
     /* Make obj stream */
-    Object stream;
-    stream.initStream(mem_stream);
+    Object stream = Object(static_cast<Stream *>(mem_stream));
 
     Ref r;
 
@@ -813,7 +772,7 @@ static int pdf_embed_font(pdf_t *doc,
     /* Get page object */
     Object pageobj;
     Ref pageref = page->getRef();
-    xref->fetch(pageref.num, pageref.gen, &pageobj);
+    pageobj = xref->fetch(pageref.num, pageref.gen);
     if (!pageobj.isDict()) {
         fprintf(stderr, "Error: malformed pdf.\n");
         return 0;
@@ -825,18 +784,17 @@ static int pdf_embed_font(pdf_t *doc,
     Object *ret = get_resource_dict(xref, pageobj.getDict(), &resdict, &resref);
     if ( !ret ) {
         fprintf(stderr, "Error: malformed pdf\n");
-        pageobj.free();
         return 0;
     }
 
     /* Dictionary for all fonts in page's resources */
     Object fonts;
 
-    resdict.dictLookupNF("Font", &fonts);
+    fonts = resdict.dictLookupNF("Font");
     if (fonts.isNull()) {
         /* Create new one, if doesn't exists */
-        fonts.initDict(xref);
-        resdict.dictSet("Font", &fonts);
+        fonts = Object(new Dict(xref));
+        resdict.dictSet("Font", std::move(fonts));
         fprintf(stderr, "Create new font dict in page's resources.\n");
     }
 
@@ -864,10 +822,6 @@ static int pdf_embed_font(pdf_t *doc,
     Object *cidfont_resource_dic = make_cidfont_dic(doc, Font, Fdes->fontname, r);
     r = xref->addIndirectObject(cidfont_resource_dic);
 
-    /* r - cid resource dic */
-    Object font_res_obj_ref;
-    font_res_obj_ref.initRef(r.num, r.gen);
-
     Object *fonts_dic;
     Object dereferenced_obj;
 
@@ -876,7 +830,7 @@ static int pdf_embed_font(pdf_t *doc,
         fonts_dic = &fonts;
     } else if ( fonts.isRef() ) {
         /* "Font" resource is indirect reference object */
-        xref->fetch(fonts.getRefNum(), fonts.getRefGen(), &dereferenced_obj);
+        dereferenced_obj = xref->fetch(fonts.getRefNum(), fonts.getRefGen());
         fonts_dic = &dereferenced_obj;
     }
 
@@ -886,7 +840,8 @@ static int pdf_embed_font(pdf_t *doc,
     }
 
     /* Add to fonts dic new font */
-    fonts_dic->dictSet("stanv_font", &font_res_obj_ref);
+    /* r - cid resource dic */
+    fonts_dic->dictSet("stanv_font", Object(r.num, r.gen));
 
     /* Notify poppler about changes in fonts dic */
     if ( fonts.isRef() ) {
@@ -897,8 +852,6 @@ static int pdf_embed_font(pdf_t *doc,
     xref->setModifiedObject(&resdict, resref);
     fprintf(stderr, "Resource dict was changed.\n");
 
-    pageobj.free();
-
     /* Success */
     return 1;
 }
@@ -1104,8 +1057,7 @@ static Object *make_fontdescriptor_dic(
     XRef *xref = doc->getXRef();
 
     /* Font dictionary for embeded font */
-    Object *dic = new Object();
-    dic->initDict(xref);
+    Object *dic = new Object(new Dict(xref));
 
     dic->dictSet("Type", name_object("FontDescriptor"));
     dic->dictSet(
@@ -1119,24 +1071,17 @@ static Object *make_fontdescriptor_dic(
     dic->dictSet("StemV", int_object(fdes->stemV));
 
     /* FontBox array */
-    Object array;
-    array.initArray(xref);
-
-    Object el;
+    Object array = Object(new Array(xref));
 
-    el.initReal(fdes->bbxmin);
-    array.arrayAdd(&el);
+    array.arrayAdd(Object(fdes->bbxmin));
 
-    el.initReal(fdes->bbymin);
-    array.arrayAdd(&el);
+    array.arrayAdd(Object(fdes->bbymin));
 
-    el.initReal(fdes->bbxmax);
-    array.arrayAdd(&el);
+    array.arrayAdd(Object(fdes->bbxmax));
 
-    el.initReal(fdes->bbymax);
-    array.arrayAdd(&el);
+    array.arrayAdd(Object(fdes->bbymax));
 
-    dic->dictSet("FontBBox", &array);
+    dic->dictSet("FontBBox", std::move(array));
 
     if (fdes->xHeight) {
         dic->dictSet("XHeight", int_object(fdes->xHeight));
@@ -1148,21 +1093,15 @@ static Object *make_fontdescriptor_dic(
 
     if (fdes->panose) {
         /* Font dictionary for embeded font */
-        Object style_dic;
-        style_dic.initDict(xref);
-
-        Object panose;
+        Object style_dic = Object(new Dict(xref));
 
         GooString *panose_str = new GooString(fdes->panose, 12);
-        panose.initString(panose_str);
-        style_dic.dictSet("Panose", &panose);
+        style_dic.dictSet("Panose", Object(panose_str));
 
-        dic->dictSet("Style", &style_dic);
+        dic->dictSet("Style", std::move(style_dic));
     }
 
-    Object ref_obj;
-    ref_obj.initRef(fontfile_obj_ref.num, fontfile_obj_ref.gen);
-    dic->dictSet(emb_pdf_get_fontfile_key(emb), &ref_obj);
+    dic->dictSet(emb_pdf_get_fontfile_key(emb), Object(fontfile_obj_ref.num, fontfile_obj_ref.gen));
 
     return dic;
 }
@@ -1181,8 +1120,7 @@ static Object *make_font_dic(
     /* Get XREF table */
     XRef *xref = doc->getXRef();
 
-    Object *dic = new Object();
-    dic->initDict(xref);
+    Object *dic = new Object(new Dict(xref));
 
     dic->dictSet("Type", name_object("Font"));
     dic->dictSet(
@@ -1192,32 +1130,24 @@ static Object *make_font_dic(
             "BaseFont",
             name_object(copyString(emb_pdf_escape_name(fdes->fontname,-1))));
 
-    Object ref_obj;
-    ref_obj.initRef(fontdescriptor_obj_ref.num, fontdescriptor_obj_ref.gen);
-    dic->dictSet("FontDescriptor", &ref_obj);
+    dic->dictSet("FontDescriptor", Object(fontdescriptor_obj_ref.num, fontdescriptor_obj_ref.gen));
 
     if ( emb->plan & EMB_A_MULTIBYTE ) {
         assert(fwid->warray);
 
-        Object CIDSystemInfo_dic;
-        CIDSystemInfo_dic.initDict(xref);
-
-        Object registry;
-        Object ordering;
+        Object CIDSystemInfo_dic = Object(new Dict(xref));
 
         GooString *str;
 
         str = new GooString(copyString(fdes->registry));
-        registry.initString(str);
-        CIDSystemInfo_dic.dictSet("Registry", &registry);
+        CIDSystemInfo_dic.dictSet("Registry", Object(str));
 
         str = new GooString(copyString(fdes->ordering));
-        ordering.initString(str);
-        CIDSystemInfo_dic.dictSet("Ordering", &ordering);
+        CIDSystemInfo_dic.dictSet("Ordering", Object(str));
 
         CIDSystemInfo_dic.dictSet("Supplement", int_object(fdes->supplement));
 
-        dic->dictSet("CIDSystemInfo", &CIDSystemInfo_dic);
+        dic->dictSet("CIDSystemInfo", std::move(CIDSystemInfo_dic));
 
         dic->dictSet("DW", int_object(fwid->default_width));
     }
@@ -1249,8 +1179,7 @@ static Object *make_cidfont_dic(
     /* Get XREF table */
     XRef *xref = doc->getXRef();
 
-    Object *dic = new Object();
-    dic->initDict(xref);
+    Object *dic = new Object(new Dict(xref));
 
     dic->dictSet("Type", name_object("Font"));
     dic->dictSet("Subtype", name_object("Type0"));
@@ -1266,14 +1195,10 @@ static Object *make_cidfont_dic(
 
     dic->dictSet("Encoding", name_object(copyString(encoding)));
 
-    Object obj;
-    obj.initRef(fontdescriptor_obj_ref.num, fontdescriptor_obj_ref.gen);
-
-    Object array;
-    array.initArray(xref);
-    array.arrayAdd(&obj);
+    Object array = Object(new Array(xref));
+    array.arrayAdd(Object(fontdescriptor_obj_ref.num, fontdescriptor_obj_ref.gen));
 
-    dic->dictSet("DescendantFonts", &array);
+    dic->dictSet("DescendantFonts", std::move(array));
 
     return dic;
 }
diff --git a/filter/test_pdf1.c b/filter/test_pdf1.c
index 0fadea4..8171fcd 100644
--- a/filter/test_pdf1.c
+++ b/filter/test_pdf1.c
@@ -25,7 +25,7 @@ int main()
   int cobj=pdfOut_add_xref(pdf);
   const char buf[]="BT /a 10 Tf (abc) Tj ET";
   pdfOut_printf(pdf,"%d 0 obj\n"
-                    "<</Length %d\n"
+                    "<</Length %ld\n"
                     ">>\n"
                     "stream\n"
                     "%s\n"
diff --git a/filter/test_pdf2.c b/filter/test_pdf2.c
index a0c1d8b..912e71c 100644
--- a/filter/test_pdf2.c
+++ b/filter/test_pdf2.c
@@ -73,7 +73,7 @@ int main()
   const int clobj=pdfOut_add_xref(pdf);
   assert(clobj==cobj+1);
   pdfOut_printf(pdf,"%d 0 obj\n"
-                    "%d\n"
+                    "%ld\n"
                     "endobj\n"
                     ,clobj,streamlen);